US Post Office Processing Center

160 Duryea Road
Melville, NY 11747
Phone: (631) 755-2575
Fax: (516) 295-5706
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Albertson US Post Office

860 Willis Avenue
Albertson - 11507
(516) 746-3512

Williston Park US Post Office

446 Willis Avenue
Williston Park - 11596
(516) 746-3247

East Norwich US Post Office

1001 Oyster Bay Road
East Norwich - 11732
(516) 922-8283

Middle Island US Post Office

780 Middle Country Road
Middle Island - 11953
(631) 205-1089

Farmingville US Post Office

500 Horseblock Road
Farmingville - 11738
(631) 732-8625

Hauppauge US Post Office

960 Wheeler Road
Hauppauge - 11788
(631) 360-6712

Smithtown US Post Office

25 Route 111
Smithtown - 11787
(631) 360-6709

Westhampton Beach US Post Office

170 Main St
Westhampton Beach - 11978
(631) 288-4093

New Hyde Park US Post Office

1001 2nd Avenue
New Hyde Park - 11040
(516) 354-6024

Uniondale US Post Office

1000 Front St
Uniondale - 11553
(516) 481-8245